joe vazquez. >>> a pillar of american retailing appears to be crumbling. the parent company of sears and kmart plans to close at least 100 stores. linda yee on why the 125-year- old retailer may be past its prime. >>> reporter: their customers, their base, the middle income population. and because of this tough economy, they are not spending as much money. so stores like sears and kmart, they're taking a big hit. >>> reporter: sears was where america shopped. >> not anymore. [ laughter ] >> america shops online. >> reporter: an industry analyst suspects sears middle income kisses miles an hour don't have the money to -- middle income customers don't have the moneyspend. they will close 120 stores including some kmart stores t needs to reduce costs by $200 million. this comes as a shock to faithful customershave relied on the sears brand for generations. >> we do all our major appliances, tv, washer, drier, refrigerator, everything, because they have good promotions where you can get things interest-free, which nobody does anymore. >> reporter: sears says it was the huge drop in appli